You can use SCALATEST_NEXUS_LOGIN and SCALATEST_NEXUS_PASSWORD environment variables to override Sonatype credentials.

For signing, ScalaTest build will use ~/.gnupg/secring.gpg by default and prompt for GPG passphase if required. Alternatively you can use SCALATEST_GPG_FILE to use a different GPG file, and use SCALATEST_GPG_PASSPHASE to provide GPG passphase to avoid input prompt.

If you would like to export a particular private key into a separate GPG file, you can use the following command: